CA2160236A1 - Improved Reconstituted Tobacco Product - Google Patents

Improved Reconstituted Tobacco Product

Info

Publication number
CA2160236A1
CA2160236A1 CA2160236A CA2160236A CA2160236A1 CA 2160236 A1 CA2160236 A1 CA 2160236A1 CA 2160236 A CA2160236 A CA 2160236A CA 2160236 A CA2160236 A CA 2160236A CA 2160236 A1 CA2160236 A1 CA 2160236A1
Authority
CA
Canada
Prior art keywords
reconstituted tobacco
tobacco product
urea
product
ammonium salt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2160236A
Other languages
French (fr)
Other versions
CA2160236C (en
Inventor
Elmer F. Litzinger
Barid Baran Chakraborty
William R. Conway
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brown and Williamson Holdings Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2160236A1 publication Critical patent/CA2160236A1/en
Application granted granted Critical
Publication of CA2160236C publication Critical patent/CA2160236C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco

Abstract

A process for the manufacture of a reconstituted tobacco product wherein the process comprises extraction of tobacco furnish with an aqueous solvent in the presence of at least ammonium salt or urea or a urea derivative or a mixture of urea or a urea derivative and at least one ammonium salt to provide an aqueous solvent extract and a fibrous material and forming the fibrous material into a sheet-like product using the papermaking process. The aqueous extract is then applied to the formed sheet-like material and further processing provides a reconstituted tobacco product having improved smoke quality.
CA002160236A 1993-04-30 1994-04-11 Improved reconstituted tobacco product Expired - Lifetime CA2160236C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/055,736 US5377698A (en) 1993-04-30 1993-04-30 Reconstituted tobacco product
US08/055,736 1993-04-30

Publications (2)

Publication Number Publication Date
CA2160236A1 true CA2160236A1 (en) 1994-11-10
CA2160236C CA2160236C (en) 1999-04-13

Family

ID=21999820

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002160236A Expired - Lifetime CA2160236C (en) 1993-04-30 1994-04-11 Improved reconstituted tobacco product

Country Status (12)

Country Link
US (2) US5377698A (en)
EP (1) EP0699034B1 (en)
JP (1) JP2761533B2 (en)
KR (1) KR0166409B1 (en)
AT (1) ATE149296T1 (en)
CA (1) CA2160236C (en)
DE (1) DE69401934T2 (en)
DK (1) DK0699034T3 (en)
ES (1) ES2101528T3 (en)
GR (1) GR3023330T3 (en)
PH (1) PH31225A (en)
WO (1) WO1994024892A1 (en)

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Also Published As

Publication number Publication date
DE69401934D1 (en) 1997-04-10
KR960701598A (en) 1996-03-28
ATE149296T1 (en) 1997-03-15
GR3023330T3 (en) 1997-08-29
ES2101528T3 (en) 1997-07-01
US5377698A (en) 1995-01-03
EP0699034A1 (en) 1996-03-06
DK0699034T3 (en) 1997-09-15
US5765570A (en) 1998-06-16
KR0166409B1 (en) 1998-12-01
JP2761533B2 (en) 1998-06-04
WO1994024892A1 (en) 1994-11-10
PH31225A (en) 1998-05-12
JPH08504598A (en) 1996-05-21
DE69401934T2 (en) 1997-07-24
CA2160236C (en) 1999-04-13
EP0699034B1 (en) 1997-03-05

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